| Typicality: | 0.403 |
| Saliency: | 0.359 |
| valerian → be introduced into → north america | 5 |
| valerian → be introduced to → north america | 4 |
| negative | neutral | positive |
| 0.036 | 0.822 | 0.141 |
| Raw frequency | 9 |
| Normalized frequency | 0.359 |
| Modifier score | 0.500 |
| Perplexity | 32.429 |